Add VS 2019 support to package_from_installed.py.
Add VS 2019 support to package_from_installed.py.

This CL also removes VS 2015 support.

Bug: 1006238
Change-Id: Ib05b3d211341fcd5805c3acca3bc4c0aa894831d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1823961
Reviewed-by: Bruce Dawson <fe9e26f3989304bf7275ed139c57fd059c63d22d@chromium.org>
Commit-Queue: Mirko Bonadei <d2c43c210eae6feef04f53bae50885e8152edcca@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools